Clinical Research Directory

Inclusion Criteria: 1. Age 18 or older at the time of informed consent 2. Willing and capable of providing written informed consent 3. Implanted ICD or CRT-D 4. Recurrent VT leading to ICD therapy (ATP or shock) 5. Indicated for catheter ablation of VT per international guidelines 6. No prior instrumentation or resection of the stellate ganglia, or surgical procedure that may have disturbed the stellate ganglia Exclusion Criteria: 1. Contraindication to percutaneous femoral arterial access 2. Heparin-induced thrombotic thrombocytopenia 3. Prior surgical sympathectomy 4. ECMO therapy in the past 30 days 5. Contraindicated for advanced heart failure therapies (LVAD or heart transplantation) 6. A most recently documented LVEF \<20% in the past 30 days 7. Receiving inotropic drug therapy 8. Women of childbearing potential who are pregnant or breastfeeding. Women of childbearing potential must have a negative pregnancy test at enrollment 9. A life expectancy of less than 12 months according to physician judgment 10. Involvement in any concurrent clinical study with an investigational therapy